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Questions tagged [performance]

Performance is characterized by the amount of useful work accomplished by a computer system compared to the time and resources used (Wikipedia).

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4
votes
1answer
696 views

How to log and visualize resource usage stats (to identify resource hogs)?

I want to be able to collect up to, say, a couple of day's worth of resource usage statics for my android, at the resolution of individual apps, and ordered according to their shares of the resource. ...
4
votes
2answers
10k views

sluggish performance due to mmcqd CPU usage

I have an older Droid Incredible running Cyanogenmod 7.2. Recently, I've noticed some sluggishness on the phone that doesn't seem limited to a single app. The CPU Usage Plus app (which I think just ...
4
votes
2answers
569 views

What does an android Launcher actually do?

Lets consider this scenario. I have a Samsung Galaxy smartphone which comes with Touchwiz as a default launcher. If I use a different launcher does it run on top of the touchwiz interface or does it ...
4
votes
0answers
666 views

LG G2 getting sluggier by the day

I'm not sure if this is specific to this model or not, but I am having troubles understanding how four cores of over 2GHz can perform so miserably slow. During the last few days, it's gotten to the ...
4
votes
0answers
170 views

Do Android devices become slower with time?

I own a Galaxy S (2.3.5 / GT-I9000 / BVJV3) and use it since two and a half years. I also have bought more recent hardware, like an iPad Mini and a more recent Android tablet, which comparatively are ...
3
votes
4answers
399 views

Is the Galaxy S II stable?

I am thinking about getting a Galaxy S2. It seems like a great phone, but I have some concerns about the system stability. I hear from Android users that Samsung's original ROM is very slow and heavy ...
3
votes
3answers
4k views

How do I speed up media scanning?

When putting new music files or images onto the sd card of my android phone, android needs to scan for new files. Is there any way to speed up this process? E.g. putting all files in one directory? ...
3
votes
1answer
196 views

How do I know if an Android tablet supports Project Butter?

As far as I know, Project Butter is just shorthand for versions of Android OS that have quicker touch screen response, close to the "physicalness" of iOS devices. But how do I know if a particular ...
3
votes
4answers
522 views

Why does my phone peg the CPU every time I wake it up?

This is driving me nuts. I have SeePU installed so that I can see a CPU graph on my Moto Droid. When I unlock the phone after being idle for a while, the CPU is pegged by android.process.acore and the ...
3
votes
2answers
8k views

Do widgets slow down Android phone?

I use a lot of widgets (like Gmail, calender, weather app, Facebook, music, news, etc.) and since I have been using them I feel my mobile has become slower than before. I don't use a task manager. ...
3
votes
1answer
8k views

Improving performance of YouTube app

I have a Galaxy Tab 10.1 (a.k.a. p4, P7500), running Android 4.2.2 rooted (latest CyanogenMod nightly build: 10.1-20131208-NIGHTLY-p4) and YouTube v5.3.28. Does anyone have an idea how to improve the ...
3
votes
1answer
209 views

Are there specific cases in which a task-killer or “fast reboot” program is helpful?

I know there have been previous questions regarding task killers, but I wanted to ask about two specific cases. I've heard a debate raging here and on several forums about Android's way of managing ...
3
votes
1answer
147 views

Are there good resources for comparing performance of Stock Motorola ROMs vs. CM7.1?

I'm looking for a good resource for which shows performance comparison - for Droid X - of Froyo 2.2 (stock ROM), Gingerbread 2.3 (Stock Verizon ROM) and any sort of Cyanogen ROM running on Droid X (...
3
votes
2answers
10k views

My phone keeps slowing down and burning battery. How can I debug performance and cpu consumption? (DHD 2.2)

I know there are already a lot of threads about suggestions on how to improve performance and, strongly related, save battery life on your android. I also have tried most of the tools to diagnose ...
3
votes
2answers
190 views

Any tips for phone stability?

My Moto Droid has seen great performance improvements with each new Android version, and has been much more stable and reliable with each version release. Recently I was in a situation where the ...
3
votes
1answer
13k views

Improve scrolling lag in Android

I am not referring to the App opening/closing animations (that can be modified in the launcher or the Developer Options changing the animation scale) but the actual scrolling of websites, webviews, ...
3
votes
2answers
632 views

Does moving apps to SD card make launcher load time longer?

I've been experiencing longer and longer times for the launcher to load when removing my phone (Moto Droid, 2.2.1) from the car dock or media dock, or when running the clock application for a long ...
3
votes
1answer
8k views

Phone becomes slow after updating to Jelly Bean

My Samsung Galaxy Note-1 becomes very slow after updating it to Jelly bean...what should I do??? Please can any body help me??
3
votes
1answer
713 views

Is there any known memory leak in Gingerbread 2.3.3 fixed by occasional reboot? Related to battery usage?

I notice that when I reboot my Samsung Captivate, it runs smoothly for about 2 or 3 days. After that, I notice that there is a lot more lag with various apps, and the launcher screen is more likely ...
3
votes
1answer
172 views

How can I fix my cheap Android 2.2 phone? Should I root it?

I recently purchased a Samsung Intercept for Virgin Mobile. The problem is that it doesn't work very well. There's a delay when doing almost anything on it, even calling or texting. It also has poor ...
3
votes
2answers
453 views

Troubleshooting the Android Emulator

When starting up my emulator at home, the emulator takes forever to start. Sometimes it does not start. If the emulator starts, it is hit or miss if I get a network connection. When it does finally ...
3
votes
3answers
580 views

Ways to improve battery life on Droid Incredible?

Out of the box, I noticed my Incredible has a lot of stuff running/turned on by default. Besides the basics of turning off WiFi, GPS, and BlueTooth when I'm not using them, are there more steps I can ...
3
votes
1answer
63 views

How do I troubleshoot low touchscreen event rate?

I have a strange slowdown on my device (non-rooted Android 5.0.2). At times, the screen becomes unresponsive. And touchscreen testing apps register only a few events per second when I move my finger ...
3
votes
0answers
525 views

How to identify which app is reading from my disk

Except for disabling one app at a time or all at once and then enable them all slowly again (The Elimination method) - How do I identify what app is reading my disk ? it happens periodically and ...
3
votes
5answers
2k views

Does downloading too many games slow down a device?

I have over 15 games on my device. Some do occupy some memory; others not so much. I have enough leftover memory on the phone. Is it true that this can slow down the device?
3
votes
0answers
748 views

Samsung Galaxy S6 edge scroll stuttering

I have just bought an Samsung Galaxy S6 Edge smartphone. After updating the firmware to 5.1.1 version, which is the latest Android software for this phone at this moment, there are some issues with ...
3
votes
1answer
717 views

Fast boot up on iMX6

I'm working with a development board based on Freescale i.MX6 ARM Cortex A9 processors. You can have more info about the board on this link. The Android version I'm using is the one provided by the ...
3
votes
0answers
11k views

Why is my Xperia U slow? [closed]

I have a Sony Xperia U running Android 4.0.4 ICS. The problem is that it runs really slowly. It is particularly bad while multi-tasking. While listening to music, if I get a phone call, it hangs. ...
3
votes
1answer
2k views

Android 4.0.3 sluggish: nandd process hogging CPU

I have an Allwinner A10 tablet clone. While working the tablet "freezes" regularly but not too frequently for a strech of time between 2 and 15 seconds. Described differently: the tablet is useable ...
3
votes
2answers
405 views

Galaxy Nexus slow on WiFi wakeup

Performance question here : my Galaxy Nexus is really slow right after I connect it to a WiFi network after long periods not being connected to the internet. That doesn't happen on EDGE or on 4G, and ...
2
votes
1answer
820 views

Approaches for diagnosing input lag / performance problems

Recently, my phone (A non-rooted Note 4) has begun to exhibit widespread performance problems. All apps and interactions are affected: the UI pauses frequently and even lightweight soft keyboards (...
2
votes
1answer
303 views

Why a phone gets slower as time passes?

I did a hard-reset, wiped everything everywhere, reinstalled firmware and changed SD card. However, the phone still works extremely slowly, not as when it was bought. What can wear out in phone? Inner ...
2
votes
2answers
258 views

Huawei G300 not fast enough for Google Racer

So on my Nexus 7 (currently clocked at 1300mb RAM) Google Racer works fine. However, when I use it on my Huawei Ascend G300 (only clocked at ~30mb less RAM) it says it is too slow. This doesn't ...
2
votes
3answers
361 views

What happens to CPU frequency when Android downloads a large file with screen off?

For example, I start downloading system update file and hit the power button to dim my screen. What happens to CPU? Does it lowers its frequency or change its governor to powersave? Or does CPU ...
2
votes
1answer
98 views

Do odexed programs have any runtime (vs load time) performance gains?

From my understanding, odexed programs are programs that are pre-compiled for specific architecture. It is obvious that this process would help decrease the startup time for the program. Am I ...
2
votes
1answer
302 views

What is the dominant factor for evaluating performance for TTS & ASR?

We know that CPU speed ("MFLOPS") alone is not the only factor that determines the performance of an Android device. Other factors include the I/O subsystem, memory speed and, of course, the software ...
2
votes
1answer
225 views

Should I get A1 or A2 spec'd Micro SD card for my phone? [closed]

I'm currently running with Samsung EVO Micro SD card in my phone (GT-i9195 or serranoltexx) in Adoptable storage mode. I'm looking for a faster card to improve performance. I was about to get Sandisk ...
2
votes
1answer
131 views

If I reset my phone, will it also TRIM the fragmented eMMC?

I know that Android supports fstrim but it only works if the phone is idle for a long time while charging. I think my phone is too fragmented and is lacking performance so I want to reset it but I am ...
2
votes
1answer
706 views

Why does any app having an active overlay is causing low frame rates?

Any app that I try on my device that is some kind of on-screen tool, such as monitoring apps, pie apps, screen filters, corner sliding apps, etc., makes the device have consistent low frame rates. ...
2
votes
2answers
638 views

What Google Apps can I disable?

I'm using a Kitkat 4.4.4 based phone (Samsung Galaxy S Duos 3) For the most part I don't use G+ or Maps or most of the Google apps provided. But I do prefer documents being backed up, so I've ...
2
votes
2answers
549 views

Today I read that flash write performance diminishes with use. I'm a heavy user. Should I change my behavior?

My phone I own a phone with gigabytes of built-in flash memory. My phone also includes a physical MicroSD card slot. I don't own a MicroSD card to put in the slot, and have never bothered buying ...
2
votes
2answers
154 views

Apps spamming my log

I've been looking at my log recently for more development of android applications, and I've noticed my log is spammed with all sorts of information that I wouldn't considered needed to be logged. ...
2
votes
1answer
557 views

Is there a way to lower GPU load from Ice Cream Sandwich?

I have seen some mentions (including here on Android SE) that Ice Cream Sandwich may not necessarily run optimally (e.g. will be slow/lag) on devices with slower/older GPUs. I assume that's due to ...
2
votes
2answers
1k views

How can I make my hacked WPDN run faster?

I have a white Pandigital Novel that I hacked to run Android 2.1. Is there any way I can make it and the apps it runs go faster? It's already overclocked to 800Mhz and I have no home screen ...
2
votes
1answer
37 views

lan transfer speeds

I have been trying to figure out what is limiting my lan transfer speeds. I have openwrt/lede on my linksys router, and a samba server running on it with a usb hdd plugged in. My last device, a M8s ...
2
votes
1answer
2k views

How big of a speed difference will be noticed with a 100-200 MHz overclock?

I am going to overclock my 600 MHz to around 700-800+. Nothing too big of a jump, and don't need any help either. The question I'm concerned about is what kind of performance does this slight speed ...
2
votes
1answer
608 views

MicroSD card performance during boot

I have a Nook HD+ and a Nook HD. When I ran CyanogenMod off of a MicroSD card, the Class I (43MB/s) doesn't even boot! I spent $30 on a 32GB one. The Class 10 (10MB/s) 16GB booted, but ran poorly ...
2
votes
1answer
2k views

Nexus 10 handwriting apps always lag

So I just bought a nexus 10 and among the many reasons for getting one, I want to take notes with it. I've bought myself a nice stylus that works wonderfully on iPads and my galaxy nexus phone. ...
2
votes
2answers
4k views

Galaxy S GT-I9000 is slow

My GT-I9000 takes ages to come "alive" after powering up. It has been slow for a while, but now it has gotten even slower, anything up to 10 minutes sometimes. When it activates, everything works fine....
2
votes
1answer
338 views

Voice command slow with large contact list?

On my HTC Hero running 2.1, the voice command is slow - both startup and processing. I have a large contact list (on the scale of 1000 contacts), and I suspect that is the cause. Does anyone know ...